Maybe one of these similar products would be of interest:-
15lb 900 Global Reality Bowling Ball 15
900 Global Zen Bowling Ball DRILLED
NIB 14# 900 Global Origin Bowling Ball - 14.3/3.5-4" Pin/2.67oz TW
USED - Bowling Ball - 15lb 900 Global "X-PONENT" DRILLED WEIGHT 14lb 12oz